EP4374675A3 - Hydraulische lenkvorrichtung für ein landwirtschaftliches arbeitsfahrzeug - Google Patents

Hydraulische lenkvorrichtung für ein landwirtschaftliches arbeitsfahrzeug Download PDF

Info

Publication number
EP4374675A3
EP4374675A3 EP24168870.4A EP24168870A EP4374675A3 EP 4374675 A3 EP4374675 A3 EP 4374675A3 EP 24168870 A EP24168870 A EP 24168870A EP 4374675 A3 EP4374675 A3 EP 4374675A3
Authority
EP
European Patent Office
Prior art keywords
steering
manual
unit
automatic
steering device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24168870.4A
Other languages
English (en)
French (fr)
Other versions
EP4374675A2 (de
Inventor
Sang Heon Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LS Mtron Ltd
Original Assignee
LS Mtron Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020200088117A external-priority patent/KR102917071B1/ko
Application filed by LS Mtron Ltd filed Critical LS Mtron Ltd
Publication of EP4374675A2 publication Critical patent/EP4374675A2/de
Publication of EP4374675A3 publication Critical patent/EP4374675A3/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/062—Details, component parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/065—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
    • B62D5/093—Telemotor driven by steering wheel movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B69/00—Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track
    • A01B69/007—Steering or guiding of agricultural vehicles, e.g. steering of the tractor to keep the plough in the furrow
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B69/00—Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track
    • A01B69/007—Steering or guiding of agricultural vehicles, e.g. steering of the tractor to keep the plough in the furrow
    • A01B69/008—Steering or guiding of agricultural vehicles, e.g. steering of the tractor to keep the plough in the furrow automatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/22—Alternative steering-control elements, e.g. for teaching purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Guiding Agricultural Machines (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
EP24168870.4A 2019-07-22 2020-07-21 Hydraulische lenkvorrichtung für ein landwirtschaftliches arbeitsfahrzeug Pending EP4374675A3 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20190088265 2019-07-22
KR1020200088117A KR102917071B1 (ko) 2019-07-22 2020-07-16 농업용 작업차량의 유압식 조향장치
KR1020200088127A KR102915315B1 (ko) 2019-07-22 2020-07-16 농업용 작업차량의 유압식 조향장치
EP20844791.2A EP4005361A4 (de) 2019-07-22 2020-07-21 Hydraulische lenkvorrichtung für landwirtschaftliches arbeitsfahrzeug
PCT/KR2020/009578 WO2021015528A1 (ko) 2019-07-22 2020-07-21 농업용 작업차량의 유압식 조향장치

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP20844791.2A Division EP4005361A4 (de) 2019-07-22 2020-07-21 Hydraulische lenkvorrichtung für landwirtschaftliches arbeitsfahrzeug

Publications (2)

Publication Number Publication Date
EP4374675A2 EP4374675A2 (de) 2024-05-29
EP4374675A3 true EP4374675A3 (de) 2024-12-04

Family

ID=74193548

Family Applications (2)

Application Number Title Priority Date Filing Date
EP24168870.4A Pending EP4374675A3 (de) 2019-07-22 2020-07-21 Hydraulische lenkvorrichtung für ein landwirtschaftliches arbeitsfahrzeug
EP20844791.2A Pending EP4005361A4 (de) 2019-07-22 2020-07-21 Hydraulische lenkvorrichtung für landwirtschaftliches arbeitsfahrzeug

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20844791.2A Pending EP4005361A4 (de) 2019-07-22 2020-07-21 Hydraulische lenkvorrichtung für landwirtschaftliches arbeitsfahrzeug

Country Status (4)

Country Link
US (2) US12256655B2 (de)
EP (2) EP4374675A3 (de)
CN (2) CN118025306A (de)
WO (1) WO2021015528A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114631408B (zh) * 2022-04-08 2023-06-16 广东皓耘科技有限公司 一种角度调节装置、农业机械及轨迹控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07205824A (ja) * 1994-01-26 1995-08-08 Mitsubishi Motors Corp フェイル対策弁付き自動操舵装置
JP2003118615A (ja) * 2001-10-15 2003-04-23 Bio Oriented Technol Res Advancement Inst 農作業機の操向装置
EP2221234A2 (de) * 2009-02-21 2010-08-25 JCB Landpower Ltd Hybrides Lenksystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2552324B2 (ja) * 1988-03-30 1996-11-13 建設省土木研究所長 デュアルモード車両のパワーステアリング装置
KR100230051B1 (ko) 1996-12-31 1999-11-15 오상수 자동 조향장치
DE19703846A1 (de) * 1997-02-01 1998-08-06 Claas Ohg Elektrohydraulisches Lenksystem für Fahrzeuge
JP4126350B2 (ja) 1999-04-20 2008-07-30 井関農機株式会社 水田作業機
JP4427433B2 (ja) * 2004-11-05 2010-03-10 ヤンマー株式会社 手動操向と自動操向を切換可能とした操向装置
JP5052147B2 (ja) * 2007-01-25 2012-10-17 日立建機株式会社 建設車両用ステアリング装置
GB2532367B (en) * 2013-07-22 2017-06-28 Jc Bamford Excavators Ltd A steering arrangement
EP3173311B1 (de) * 2015-11-27 2018-05-02 Danfoss Power Solutions Aps Hydraulische lenkung
DE102016106793B4 (de) * 2016-04-13 2021-06-10 Danfoss Power Solutions Aps Hydraulische Lenkung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07205824A (ja) * 1994-01-26 1995-08-08 Mitsubishi Motors Corp フェイル対策弁付き自動操舵装置
JP2003118615A (ja) * 2001-10-15 2003-04-23 Bio Oriented Technol Res Advancement Inst 農作業機の操向装置
EP2221234A2 (de) * 2009-02-21 2010-08-25 JCB Landpower Ltd Hybrides Lenksystem

Also Published As

Publication number Publication date
CN114174150A (zh) 2022-03-11
US20220264785A1 (en) 2022-08-25
EP4374675A2 (de) 2024-05-29
EP4005361A4 (de) 2023-09-06
EP4005361A1 (de) 2022-06-01
CN114174150B (zh) 2024-05-14
CN118025306A (zh) 2024-05-14
US12256655B2 (en) 2025-03-25
US12582020B2 (en) 2026-03-24
US20240251696A1 (en) 2024-08-01
WO2021015528A1 (ko) 2021-01-28

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